Compatibility: Wheeled box cover is a replacement part compatible replacing the robot H6 H7 vacuum cleaner dust container. Reasons to replace the case cover: If you find that your vacuum cleaner's dust lock has been damaged, or the vacuum cleaner has become weaker than be compatiblee during operation, or there is a dust leak, this means that you need to replace the wheeled case cover in time. A dustproof container lid is the best choice Compatibility and quality: Our clear vacuum cleaner container LIDS can be matched to wheeled bins and are thicker. The raw materials we choose are more durable and strong, and open and close freely. Easy installation: We provide a very simple replacement method, you do not need to worry about installation, just 1 minute to help you replace the dustproof lid, quickly put into use Be compatiblee buying, check your vacuum cleaner model and compare your entire case lid to our picture. : Material:plastic Package Contents: 4 x Seal cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.